Nuprl Lemma : better-q-elim

∀r:ℚ. ∃p:ℤ. ∃q:ℕ+. ((¬(q = 0 ∈ ℚ)) c∧ (r = (p/q) ∈ ℚ))


Proof




Definitions occuring in Statement :  qdiv: (r/s),  rationals: ℚ,  nat_plus: ℕ+,  cand: A c∧ B,  all: ∀x:A. B[x],  exists: ∃x:A. B[x],  not: ¬A,  natural_number: $n,  int: ℤ,  equal: s = t ∈ T
Lemmas referenced :  q-elim
Rules used in proof :  cut,  lemma_by_obid,  hypothesis

Latex:
\mforall{}r:\mBbbQ{}.  \mexists{}p:\mBbbZ{}.  \mexists{}q:\mBbbN{}\msupplus{}.  ((\mneg{}(q  =  0))  c\mwedge{}  (r  =  (p/q)))



Date html generated: 2016_05_15-PM-10_39_54
Last ObjectModification: 2015_12_27-PM-07_58_40

Theory : rationals


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